n  = int(input())
E = list(map(int, input().split()))

import itertools
for p in itertools.product(range(3), repeat=n):
    X = [0]*3
    for i in range(n):
        X[p[i]] += E[i]
    if X[0] == X[1] and X[1] == X[2]:
        print('Yes')
        exit()
else:
    print('No')